Home / 9,509.42-13,118.63-6,153.33

Finding the Fourth Proportional to 9,509.42, 13,118.63 and 6,153.33

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Solution

The fourth proportional to 9,509.42, 13,118.63 and 6,153.33 is: 8,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.42 : 13,118.63 = 6,153.33 : x
  2. Step 2: Convert to fraction form
    9,509.42/13,118.63 = 6,153.33/x
  3. Step 3: Cross multiply
    9,509.42x = 13,118.63 × 6,153.33
  4. Step 4: Simplify right side
    9,509.42x = 80,723,277.97
  5. Step 5: Solve for x
    x = 80,723,277.97/9,509.42
  6. Step 6: Final answer
    x = 8,488.77

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.